\documentclass[12pt,titlepage]{article}
\usepackage[spanish]{babel}
\usepackage[utf8]{inputenc}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{color}
\usepackage{graphicx} % para insertar imagenes
\usepackage{verbatim}
\usepackage{float}
\usepackage{tp}

\begin{document}

	\begin{section}{Análisis Teórico}
		%gregory
		\input{gregory.tex}

		%machin
		%\input{machin.tex}

		%ramanujan
		\input{ramanujan.tex}

	\end{section}

\end{document}

